<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<script>
    var arr = [];
    for (var i  = 0;i < 100;i++){
        arr[i] = i+1;
    }
    console.log(arr);
</script>
<body>

</body>
</html>